code: def test_different_structure_normalize(self):
      spec = TestNestedSpec(
          a=specs.Array((5,), jnp.float32),
          b=specs.Array((2,), jnp.float32),
      )
      state = running_statistics.init_state(spec)
  
      x = {
          "a": jnp.arange(20, dtype=jnp.float32).reshape(2, 2, 5),
          "b": jnp.arange(8, dtype=jnp.float32).reshape(2, 2, 2),
      }
  
      with self.assertRaises(TypeError):
          state = update_and_validate(state, x)
  
imports: import functools
  import math
  from typing import NamedTuple
  from acme import specs
  from acme.jax import running_statistics
  import jax
  from jax import config
  import jax.numpy
  import numpy
  import tree
  from absl.testing import absltest
label_desc: Use image node_id 11 for calling the RunningStatisticsTest obj's underlying member method code with example usage: obj.test_different_structure_normalize() without return types